Also reorganize application settings related to repository in more maninful sections

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

Basically using the new expand_section

+ move activity click to side.rb
+ add element check on activity.rb
+ minor fixes

- test reaches Activity page
- the actual git push seems to be failing
- had problems with defining selectors

everything in the scenario without a before block.

Merge branch 'qa/gb/add-geo-integration-tests' into 'master'

See merge request gitlab-org/gitlab-ee!3294

[ci skip]

[ci skip]

Change Page::Main::Entry to only visit an entrypoint and introduce Page::Main::Login to handle actual log-in

Signed-off-by: Rémy Coutable <remy@rymai.me>